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 Dortmund Data Bank
Thermophysical Data for Process Design
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Query
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DDB# Name CAS-RN Formula
31 Benzene 71-43-2 C6H6 Overview Details
50 Cyclohexane 110-82-7 C6H12 Overview Details
91 Heptane 142-82-5 C7H16 Overview Details
284 N-Methyl-2-pyrrolidone 872-50-4 C5H9NO Overview Details
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Mixture Data

Databank Sets Points Temperature
Range		 Pressure
Range
Vapor-Liquid Equilibria VLE 7 202 293-475 K6-101 kPa
31 50 91
1
31 50 91 284
1
31 50 284
1
31 91 284
4
Heats of Mixing HE 7 91 293-298 Kn.a.
31 50 91
7
Liquid-Liquid Equilibria (Miscibility Gaps) LLE 2 10 298 K (const.)n.a.
31 91 284
2
(A)zeotropic Data AZD 1 1 n.a.101 kPa (const.)
31 91 284
1
Densities and Volumes of Mixtures, Excess Volumes VE 8 56 293-343 Kn.a.
31 50 91
7
31 50 284
1
Mixture Speeds of Sound MSOS 1 28 308 K (const.)n.a.
31 50 284
1
Further Thermodynamic Properties X 3 18 433-493 K2000-4000 kPa
31 50 91
3
Total 29 406
31 50 91
18
31 50 91 284
1
31 50 284
3
31 91 284
7

Dortmund Data Bank Version: February 2024
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